.warp {
    width: 1920px;
    height: 640px;
    background-image: url("../img/bg.jpg");
    background-position: center;
    background-repeat: no-repeat;
    margin: 220px auto;
    overflow: hidden;
}

.logo {
    width: 88px;
    height: 88px;
    margin: 21px auto;

}

.login-box {
    width: 380px;
    height: 380px;
    background-color: white;
    border-radius: 8px;
    margin: auto;
}

.tip {
    width: 160px;
    height: 26px;
    border-radius: 8px;
    margin: 18px auto;
    text-align: center;
    line-height: 26px;
    font-size: 12px;
}
